<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>http://javascript.ruanyifeng.com/stdlib/math.html</title>
</head>
<body>
<script type="text/javascript">
    console.log(Math.E);
    console.log(Math.LN2);
    console.log(Math.LN10);
    console.log(Math.LOG2E);
    console.log(Math.LOG10E);
    console.log(Math.PI);
    console.log(Math.SQRT1_2);
    console.log(Math.SQRT2);
    console.log(Math.abs(-10));
    console.log(Math.ceil(10.1));
    console.log(Math.floor(10.1));
    console.log(Math.max(1,2,3,4,5,6));
    console.log(Math.min(1,2,3,4,5,6));
    console.log(Math.random());
    console.log(Math.round(10.4));
    console.log(Math.round(10.5));
    console.log(Math.pow(2,4));
</script>
</body>
</html>